634008820231 has 2 divisors, whose sum is σ = 634008820232. Its totient is φ = 634008820230.

The previous prime is 634008820169. The next prime is 634008820241. The reversal of 634008820231 is 132028800436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 634008820231 - 2¹⁷ = 634008689159 is a prime.

It is a super-2 number, since 2×634008820231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634008820241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317004410115 + 317004410116.

It is an arithmetic number, because the mean of its divisors is an integer number (317004410116).

Almost surely, 2^634008820231 is an apocalyptic number.

634008820231 is a deficient number, since it is larger than the sum of its proper divisors (1).

634008820231 is an equidigital number, since it uses as much as digits as its factorization.

634008820231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 634008820231 in words is "six hundred thirty-four billion, eight million, eight hundred twenty thousand, two hundred thirty-one".